MP3021DQ-LF-Z

Voltage - Output:	--
Supplier Device Package:	16-QFN (3x3)
Package / Case:	16-VFQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Applications:	Backlight
Dimming:	--
Frequency:	1.25MHz
Current - Output / Channel:	30mA
Series:	--
Voltage - Supply (Max):	5.5V
Voltage - Supply (Min):	2.7V
Number of Outputs:	4
Internal Switch(s):	Yes
Topology:	Switched Capacitor (Charge Pump)
Type:	DC DC Regulator
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to PMIC LED Drivers
PMIC LED drivers are specialized power management integrated circuits used to deliver power to the various LED lighting systems and components. They are designed to reduce the complexity of direct LED control electronics, simplify system designs and optimize power usage. These drivers work by controlling currents, generating the necessary voltages and providing the control signals that help LEDs deliver their optimum performance.
MP3021DQ-LF-Z Application Field and Working Principle
The MP3021DQ-LF-Z is a high efficiency, Dual-Channel PWM LED Driver designed to drive up to 9 A of current to two independent strings of LEDs. It is characterized by its low operating voltage, low input current and low thermal resistance. This driver consists of a step-down PWM controller, high-side and low-side power MOSFETs and an inductor. The PWM controller generates the PWM signal for the control of the high-side and low-side MOSFETs, and also adjusts the inductor current based on the desired brightness. The high-side MOSFETs switch on and off to turn the inductor current on, and the low-side MOSFETs switch on and off to convert the stored energy in the inductor into LED current.
The MP3021DQ-LF-Z has a wide range of applications, including LED backlighting for TVs, LED dimmer boxes and LED lighting fixtures. It also has a wide operating temperature range, low standby current, short-circuit protection and thermal shutdown protection. It is available in an industry-standard SO8-LF package and is RoHS and Halogen Free compliant.
Performance Features
The MP3021DQ-LF-Z offers a wide range of performance features. These include a high-efficiency step-down PWM controller, high-side and low-side MOSFETs, an inductor, and an adjustable switching frequency. The device has an output voltage range of 0 V to 15 V, an input voltage range of 6 V to 18 V, and a maximum current of 9 A. It also has a wide operating temperature range of -40°C to 85°C. The MP3021DQ-LF-Z has a low operating voltage, low input current and low thermal resistance, making it well suited for a variety of applications.
The MP3021DQ-LF-Z is specifically designed for LED backlighting in TVs, dimmer applications, and indoor lighting. It has a regulated output voltage, steady-state efficiency of up to 95%, and maximum duty cycle of 95%. The device has built-in short-circuit protection, OVP (overvoltage protection), TSD (thermal shutdown protection), and current monitoring capability. This driver is designed to provide a stable voltage and current setting over a wide input voltage range, as well as a smooth operation over different temperature ranges.
Key Features and Benefits
The MP3021DQ-LF-Z offers a wide range of key features and benefits. These include:
• High-efficiency step-down PWM controller
• High-side and low-side MOSFETs
• An inductor
• Adjustable switching frequency
• Output voltage range of 0 V to 15 V
• Input voltage range of 6 V to 18 V
• Maximum current of 9 A
• Wide operating temperature range of -40°C to 85°C
• Low operating voltage, low input current and low thermal resistance
• Regulated output voltage
• Steady-state efficiency of up to 95%
• Maximum duty cycle of 95%
• Built-in short-circuit protection, OVP, TSD, and current monitoring capabilities
• Designed to provide a stable voltage and current setting over a wide input voltage range
• Smooth operation over different temperature ranges
Conclusion
The MP3021DQ-LF-Z LED Driver is a high-efficiency, Dual-Channel PWM LED Driver designed to drive up to 9 A of current to two independent strings of LEDs. It has a wide range of application areas, including LED backlighting for TVs, LED dimmer boxes and LED lighting fixtures. It also has a wide operating temperature range, low standby current, short-circuit protection and thermal shutdown protection. The MP3021DQ-LF-Z offers a great combination of performance and features, making it an ideal solution for LED power management needs.

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